TB 11 is the terminal strip with 6 screw terminals on the control card. The top row is terminals 1, 2,3. The bottom row is terminals 4,5,6. Terminal 1 should be between 3.0 and 3.7 volts with the key on and the control handle in nuetral. Terminals 2, 3, and 4 must be battery voltage to travel. Terminal 5 must be battery volts to go forward. Terminal 6 must be battery volts to go reverse. If you don't have battery volts on 2,3, 4 and at least either 5 or 6, it is not going to travel.
It puzzles me that you have no codes. What is it reading on the handset? It should at least give you the state of charge of the battery or the hourmeter reading. If you have nothing, maybe you have no negative or posotive supply to the card.
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